(ˌfræktəʊˈstrɑːtəs; -ˈstræt-) n, pl-ti (-taɪ) (Physical Geography) low ragged layered cloud often appearing below nimbostratus clouds during rain[C19: from Latin fractus broken + stratus]
fractostratus
fractostratus
A stratus cloud broken up into irregular, ragged fragments.AcronymsSeeFS